Without Password in alias_dsn but fail connection immediately instead of ask for password

[kioipp]

Version : 1.19.0

In Docs showed:

If a password is not supplied and mycli cannot connect to the server, it will prompt you to enter one. This is helpful so you do not have to store your password in a plaintext configuration file.

So I write the infomation in .myclirc:

[alias_dsn]
hk-light = mysql://read_only_user@xxxrds.com:3306/gateway

Run connetion:

λ mycli -d hk-light
(1045, u'Authentication Failed For RDS maybe username or password is incorrect')

If I full filled the password in .myclirc:

[alias_dsn]
hk-light = mysql://read_only_user:password@xxxrds.com:3306/gateway

The run the same connetion:

λ mycli -d hk-light
mysql 5.6.16-log
mycli 1.19.0
Chat: https://gitter.im/dbcli/mycli
Mail: https://groups.google.com/forum/#!forum/mycli-users
Home: http://mycli.net
Thanks to the contributor - Scrappy Soft
gateway>

So how can I use DSN but not leave the plain password text ?

[qiaohao9]

it works for me.

Is caused by other reasons?